← Back to Patent Explorer
US3407098A Expired / Lapsed US ⏱️ 0.0 years remaining

Colorant film for aluminum surfaces

Assignee: Olin Corp
•
Filing: 1965-08-25
•
Granted: 1968-10-22
•
Expires: 1985-08-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Thomas J Hurley
  • 👤 Martin A Robinson
  • 👤 James A Scruggs

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 17:02
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/18; C25D11/24; C25D11/243; C07; C07F; C07F15/00; C07F15/04; C07F15/045; C09; C09B; C09B57/00; C09B57/04; C09B57/10

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 68 words
METHOD OF COLORING ALUMINUM WHICH COMPRISES HEATING UNSEALED ANODIZED ALUMINUM AT 100* TO 150*C. IN CONTACT WITH A SOLUTION OF BIS(3 - (3 - ALKOXY - 1HISOINDOL - 1 - IMINO) - 1H - ISOINDOL - 1 - IMINATO) NICKEL (II) IN WHICH SAID ALKOXY CONTAINS 1 TO 6 CARBONS IN AN ALIPHATIC OR AROMATIC HYDROCARBON OR HALOHYDROCARBON HAVING A BOILING POINT ABOUT ABOUT 100*C. AT ATMOSPHERIC PRESSURE.

References Cited (Backward Citations)

CH297833A Cited
US2739155A Cited
US3023164A Cited
US3114660A Cited
US3026220A Cited
US3326728A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-10-22 1972-04-22 1972-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-10-22 1976-04-22 1976-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-10-22 1980-04-22 1980-10-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag